/usr/include/boost/preprocessor/facilities
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detail/-0755rm
apply.hpp14750644editdlrm
check_empty.hpp10310644editdlrm
empty.hpp5670644editdlrm
expand.hpp8420644editdlrm
identity.hpp7590644editdlrm
intercept.hpp89130644editdlrm
is_1.hpp9460644editdlrm
is_empty.hpp25440644editdlrm
is_empty_or_1.hpp12050644editdlrm
is_empty_variadic.hpp25640644editdlrm
overload.hpp11500644editdlrm
va_opt.hpp16120644editdlrm
Edit: /usr/include/boost/preprocessor/facilities/is_empty_variadic.hpp (2564B)
# /* ************************************************************************** # * * # * (C) Copyright Edward Diener 2014,2019. # * Distributed under the Boost Software License, Version 1.0. (See # * accompanying file LICENSE_1_0.txt or copy at # * http://www.boost.org/LICENSE_1_0.txt) # * * # ************************************************************************** */ # # /* See http://www.boost.org for most recent version. */ # # ifndef BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP # define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP # # include # # if BOOST_PP_VARIADICS # # include # include # #if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 # #define BOOST_PP_IS_EMPTY(param) \ BOOST_PP_DETAIL_IS_EMPTY_IIF \ ( \ BOOST_PP_IS_BEGIN_PARENS \ ( \ param \ ) \ ) \ ( \ BOOST_PP_IS_EMPTY_ZERO, \ BOOST_PP_DETAIL_IS_EMPTY_PROCESS \ ) \ (param) \ /**/ #define BOOST_PP_IS_EMPTY_ZERO(param) 0 # else # if defined(__cplusplus) && __cplusplus > 201703L # include #define BOOST_PP_IS_EMPTY(...) \ BOOST_PP_DETAIL_IS_EMPTY_IIF \ ( \ BOOST_PP_VARIADIC_HAS_OPT() \ ) \ ( \ BOOST_PP_IS_EMPTY_OPT, \ BOOST_PP_IS_EMPTY_NO_OPT \ ) \ (__VA_ARGS__) \ /**/ #define BOOST_PP_IS_EMPTY_FUNCTION2(...) \ __VA_OPT__(0,) 1 \ /**/ #define BOOST_PP_IS_EMPTY_FUNCTION(...) \ BOOST_PP_IS_EMPTY_FUNCTION2(__VA_ARGS__) \ /**/ #define BOOST_PP_IS_EMPTY_OPT(...) \ BOOST_PP_VARIADIC_HAS_OPT_ELEM0(BOOST_PP_IS_EMPTY_FUNCTION(__VA_ARGS__),) \ /**/ # else #define BOOST_PP_IS_EMPTY(...) \ BOOST_PP_IS_EMPTY_NO_OPT(__VA_ARGS__) \ /**/ # endif /* defined(__cplusplus) && __cplusplus > 201703L */ #define BOOST_PP_IS_EMPTY_NO_OPT(...) \ BOOST_PP_DETAIL_IS_EMPTY_IIF \ ( \ BOOST_PP_IS_BEGIN_PARENS \ ( \ __VA_ARGS__ \ ) \ ) \ ( \ BOOST_PP_IS_EMPTY_ZERO, \ BOOST_PP_DETAIL_IS_EMPTY_PROCESS \ ) \ (__VA_ARGS__) \ /**/ #define BOOST_PP_IS_EMPTY_ZERO(...) 0 # endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */ # endif /* BOOST_PP_VARIADICS */ # endif /* BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP */